287445280

素因数分解:

$2^5\times 5^1\times {\mathrm{563}}^1\times {\mathrm{3191}}^1$

素因数の和:3769

約数の個数: 48

約数和(自身を含む): 680508864

約数和(自身を除く): 393063584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 563, 1126, 2252, 2815, 3191, 4504, 5630, 6382, 9008, 11260, 12764, 15955, 18016, 22520, 25528, 31910, 45040, 51056, 63820, 90080, 102112, 127640, 255280, 510560, 1796533, 3593066, 7186132, 8982665, 14372264, 17965330, 28744528, 35930660, 57489056, 71861320, 143722640, 287445280]

約数ペア:

[(1, 287445280), (2, 143722640), (4, 71861320), (5, 57489056), (8, 35930660), (10, 28744528), (16, 17965330), (20, 14372264), (32, 8982665), (40, 7186132), (80, 3593066), (160, 1796533), (563, 510560), (1126, 255280), (2252, 127640), (2815, 102112), (3191, 90080), (4504, 63820), (5630, 51056), (6382, 45040), (9008, 31910), (11260, 25528), (12764, 22520), (15955, 18016)]